Roundabouts Database Index

29483 Results

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City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
Ohauiti, Bay of Plenty Western Bay of Plenty New Zealand	Rowesdale Dr. / Hollister Ln. / Louise Dr. (-37.74980, 176.15350)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Ohauiti, Bay of Plenty Western Bay of Plenty New Zealand	Rowesdale Dr. / Albero Dr. / Amarillo Pl. (-37.74988, 176.15728)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Ohaupo, Waikato Waipa New Zealand	SH 3 (Ohaupo Rd.) / SH 21 (Airport Rd.) / Ingram Rd. (-37.87696, 175.32368)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Ohinewai, Waikato Waikato New Zealand	Tahuna Rd. / SH 1 (Waikato Expressway) NB Ramps (-37.48962, 175.15954)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Ohinewai, Waikato Waikato New Zealand	Tahuna Rd. / Lumsden Rd. (-37.48959, 175.16336)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Ohio City, OH Cuyahoga Co. United States	W 28th St. / Franklin Blvd. (41.48755, -81.70865)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2020
Öjerjsö, Vastra Gotaland County Partille Sweden	Nya Öjerjsövägen / Öjerjsövägen (57.69995, 12.13305)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 28.7187	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Öjerjsö, Vastra Gotaland County Partille Sweden	Landvettervägen / Nya Öjerjsövägen (57.70434, 12.15114)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.0107	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Öjersjö, Vastra Gotaland County Partille Sweden	Nya Öjersjövägen / Gökskullavägen (57.69962, 12.14129)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 28.7190	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Öjersjö, Vastra Gotaland County Partille Sweden	Nya Öjersjövägen / Gamla vägen (57.69267, 12.12224)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.5329	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Öjersjö, Vastra Gotaland County Partille Sweden	Nya Öjersjövägen / Golfrundan (57.68805, 12.10966)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.8977	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Öjersjö, Vastra Gotaland County Partille Sweden	Nya Öjersjövägen / Fägatan (57.69077, 12.11732)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 26.8109	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Okato, Taranaki New Plymouth New Zealand	SH 45 (South Rd. - Carthew St.) / Carthew St. / Old South Rd. (-39.19101, 173.87998)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Okemos, MI Ingham Co. United States	Hamilton Rd. / Marsh Rd. (42.71625, -84.42687)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.8350	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	ICD estimated from Google Maps linework.
Oklahoma City, OK Oklahoma Co. United States	NW 10th St. / Walker Ave. / Classen Dr. (35.47882, -97.52121)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 30.1499	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Oklahoma City, OK Oklahoma Co. United States	NW 10th St. / Shartel Ave. (35.47876, -97.52561)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.2596	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Oklahoma City, OK Oklahoma Co. United States	N Phillips Ave. / NE 84th St. (35.55627, -97.50126)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.0358	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2007-2008). ICD estimated from Google Maps linework.
Oklahoma City, OK Oklahoma Co. United States	Deep Wood Creek Blvd. / Hidden Creek Blvd. (35.59728, -97.61642)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways 31.0766	Other (At-Grade) Single-Lane		Very small splitter islands on north and south legs, with pedestrian ramps only on one side. No yield signs. ICD estimated from Google Maps linework.
Oklahoma City, OK Oklahoma Co. United States	N Classen Blvd. / NW 59th St. / N Classen Ct. (35.53318, -97.52688)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.9049	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Oklahoma City, OK Oklahoma Co. United States	NW 59th St. / N Shartel Ave. (35.53349, -97.52313)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 128.2929	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Okotoks, AB Alberta Canada	Milligan Dr. / Ranchers Blvd. / Drake Landing Blvd. (50.72860, -113.93111)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.0202	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Okotoks, AB Division 6 Canada	D'Arcy Blvd. / Sandstone Dr. / Larkspur Bend (50.73559, -113.98112)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.0000	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2017-2021).
Okotoks, AB Division 6 Canada	Mountainview Dr. / Mountainview Gate (50.72974, -113.98983)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2012).
Olaine, Olaine Municipality Latvia	Zemgales iela / Zeiferta iela (56.78730, 23.94235)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Olathe, KS Johnson Co. United States	S Greenwood St. / W 116th St. (38.91921, -94.74988)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2007-2008).
Olathe, KS Johnson Co. United States	Garmin Way / (parking garage) (38.85794, -94.80139)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.0408	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	Access Rd. / Bass Pro entrance (38.91125, -94.77769)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.0919	Other (At-Grade) Single-Lane	2007	Opened February 2007. Access to Bass Pro retail center. ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	Renner Rd. / North Bass Pro entrance (38.91125, -94.77965)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.3852	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Opened February 2007. Access to Bass Pro retail center. ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	Renner Rd. / South Bass Pro entrance (38.90922, -94.77960)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.5981	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Opened February 2007. Access to Bass Pro retail center. ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	Kansas City Rd. / Nelson Rd. / Church St. (38.88896, -94.80412)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.1702	Other (At-Grade) Single-Lane	2004	Previously controlled by two-way stop ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	Kansas City Rd. / Buchanan St. / Prairie St. (38.88704, -94.80763)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.9598	Other (At-Grade) Single-Lane	2004	Previously controlled by two-way stop ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	118th St. / Greenwood St. (38.91447, -94.75040)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.3130	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	Indian Wells Dr. / Spruce St. (38.88568, -94.85022)	Roundabout Removed	All-Way Yield None	2 Approaches 0 Driveways 44.6239	Other (At-Grade) Single-Lane	2002	Replaced in 2015 with new roundabout in location shifted slightly to west. ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	S Warwick St. / 165th St. (38.82870, -94.80401)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 26.0515	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	167th St. / Lindenwood Dr. (38.82558, -94.78903)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.8703	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Built for new development. Series of 3 roundabouts. ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	167th St. / Mur-Len St. (38.82566, -94.77972)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2443	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Built for new development. Series of 3 roundabouts. ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	167th St. / (unknown) (38.82562, -94.77064)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.7312	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Built for new development. Series of 3 roundabouts. ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	S. Ridgeview Rd. / E. Loula St. (38.88069, -94.79726)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 25.1027	Other (At-Grade) Single-Lane	2004	Completed August 2004. ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	Sheridan Rd. / Rogers Rd. (38.87200, -94.79430)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.7027	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	Sheridan Rd. / Ridgeview Rd. / Dennis Ave. (38.87270, -94.79730)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.3160	Other (At-Grade) Single-Lane	2001	Completed April 2001. ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	Sheridan Rd. / Clairborne Rd. (38.87020, -94.79250)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.3168	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	N Hedge Ln. / N Cedar Hills St. (38.88697, -94.85232)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.6231	Other (At-Grade) Single-Lane	2015	Design completed in 2015, construction of roundabout is a part of development for new school. Aerial image shows construction completed for roundabout. ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	N Hedge Ln. / N Spruce St. (38.88567, -94.85044)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.6239	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	Replaced older roundabout when new roadway (Hedge Ln.) added. ICD estimated from Google Maps linework.
Olathe, KS Johnson Co. United States	W 153rd St. / Olathe Medical Center Pkwy. (38.85100, -94.82983)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.4361	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Old Beach, TAS Brighton Australia	B32 (Derwent Hwy.) / Gage Rd. (-42.75111, 147.27254)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Old Hartley, England Northumberland United Kingdom	A193 (Blyth Rd.) / B1325 (West End) / East End (55.07523, -1.46722)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Old Hawthorne, MO Boone Co. United States	Eutsy Ln. / (parking) (38.92977, -92.24486)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Old Hawthorne, MO Boone Co. United States	Linkside Dr. / Signature Ridge (38.93069, -92.24261)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		No splitter islands.
Old Hopland, CA Mendocino Co. United States	SR 175 / Old River Rd. (38.97746, -123.09910)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 35.2816	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Old Jamestown, MO St. Louis Co. United States	Behlmann Farms Blvd. / Delcastle Dr. / Behlmann Meadows Way (38.81834, -90.26599)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2004
Old Mill Creek, IL Lake Co. United States	Hunt Club Rd. / W. Wadsworth Rd. (42.42938, -87.97247)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.4326	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Old Mill Creek, IL Lake Co. United States	Hunt Club Rd. / Milburn Rd. / W. Simpson Rd. (42.42212, -87.97259)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.9640	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Old Noarlunga, SA Onkaparinga Australia	Robinson Rd. / Vista Parade (-35.19055, 138.49397)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Old Northwood, FL Palm Beach Co. United States	Spruce Ave. / 30th St. (26.74083, -80.05470)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Old Northwood, FL Palm Beach Co. United States	Spruce Ave. / 28th St. (26.73908, -80.05477)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Old Northwood, FL Palm Beach Co. United States	Spruce Ave. / 32nd St. (26.74247, -80.05465)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Old Northwood, FL Palm Beach Co. United States	Spruce Ave. / 34th St. (26.74414, -80.05459)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Old Salford Township, PA Montgomery United States	Old Skippack Rd. / Schwenksville Rd. / Shelly Rd. (40.29058, -75.42686)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2023	The roundabout was installed as part of the Districtwide roundabout program (PennDOT Engineering District 6-0) which was started to address intersection safety in the District. https://www.penndot.pa.gov/regionaloffices/district-6/pages/details.aspx?newsid=8481
Old Stratford, England Northants United Kingdom	Old Stratford Roundabout [A5 / A422 / A508] (52.06650, -0.86986)	Signalized Roundabout/Circle Existing	Signal Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Old Town College Park, MD Prince George's Co. United States	52nd Ave. / (unknown) (38.97496, -76.92410)	Other Existing	Unknown Unknown	2 Approaches 1 Driveways 0.0000	Other (At-Grade) Unknown
Oldcastle, ON Essex Canada	Hwy 9 / Hwy 3 / Hwy 401 WB Ramps / Hwy 401 EB Ramps (42.23142, -82.99124)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.1340	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2012	Year Completed estimated (2009-2014). ICD estimated from Google Maps linework.
Oldham, England Greater Manchester United Kingdom	Hollins Rd. / Albert St. (53.51868, -2.14324)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Oldham, England Greater Manchester United Kingdom	A627 / A6048 / Chadderton Way (53.54781, -2.12600)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Olds, AB Division 6 Canada	Hwy 2A / 68 St. (51.77414, -114.09612)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.0000	Other (At-Grade) Single-Lane	2022	East leg stubbed. Year Completed estimated (2021-2022).
Olean, NY Cattaraugus Co. United States	State St. / Union St. (42.07751, -78.42984)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.4808	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	ICD estimated from Google Maps linework.
Olean, NY Cattaraugus Co. United States	N Union St. / Sullivan St. (42.08150, -78.42991)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 15.9556	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Olean, NY Cattaraugus Co. United States	N Union St. / Olean Center Mall parking lot (42.08303, -78.42993)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.8192	Other (At-Grade) Single-Lane	2015	Crosswalks on side street pass across painted splitter island in front of yield line. ICD estimated from Google Maps linework.
Olean, NY Cattaraugus Co. United States	N Union St. / Wayne St. / (parking lot) (42.08521, -78.42995)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.8183	Other (At-Grade) Single-Lane	2015	Crosswalk on east parking lot leg passes over painted splitter island in front of yield position. ICD estimated from Google Maps linework.
Olean, NY Cattaraugus Co. United States	N Union St. / Main St. (42.08706, -78.42994)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 28.3630	Other (At-Grade) Single-Lane	2015	Yield-controlled right-turn bypass lane on north leg; it terminates at crosswalk across west leg. ICD estimated from Google Maps linework.
Oley Township, PA Berks Co. United States	W Philadelphia Ave. (SR 73) / Memorial Hwy. (SR 662) / Lynx Dr. (40.38294, -75.78388)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.9391	Other (At-Grade) Single-Lane	2019	https://www.pottsmerc.com/news/new-roundabout-opens-at-intersection-of-routes-and-in-oley/article_00e9f716-c345-11e9-9e3c-9b57da8ea891.html ICD estimated from Google Maps linework.
Oley Township, PA Berks Co. United States	SR 73 / SR 662 / Oley Rd. (40.39944, -75.80946)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.2909	Other (At-Grade) Single-Lane	2019	ICD estimated from Google Maps linework.
Olivais, Lisbon Lisboa Portugal	Praça Baden Powell [venida de Berlim / Avenida Cidade de Luanda / Rua Contra-Almirante Armando Ferraz] (38.76821, -9.10999)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Olivais, Lisbon Lisboa Portugal	Avenida de Berlim / Alameda das Comunidades Portuguesas / Rua C-Aeroporto da Portela (38.76997, -9.12595)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Olive Branch, MS De Soto Co. United States	Joe Lyon Blvd. / Lorrie Ln. (34.98979, -89.81802)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Olivehurst, CA Yuba Co. United States	Oliverhurst Ave. / Powerline Rd. / Chestnut Rd. (39.10142, -121.55111)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2018
Oljato-Monument Valley, UT San Juan Co. United States	US 163 / Monument Valley Rd. (37.00424, -110.17341)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019	https://www.nhonews.com/news/2018/jun/19/oljato-community-breaks-ground-roundabout-road-nav/
Olmeto, Corsica Southern Corsica France	T40 / T402 / D257 (41.68415, 8.92125)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Olmos Park, TX Bexar Co. United States	Olmos Dr. / El Prado Dr. / McCullough Ave. (29.47094, -98.49162)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 32.0037	Other (At-Grade) Single-Lane	1996	Completed July 1996.
Olney, MD Montgomery Co. United States	Old Baltimore Rd. / Bishops Castle Dr. (39.14878, -77.04958)	Traffic Calming Circle Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Unknown Single-Lane	2019	Painted splitter islands on major street; no splitter islands on side street.
Olney, MD Montgomery Co. United States	Martins Dairy Cir. / Old Baltimore Rd. (39.13345, -77.07382)	Other Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Painted splitter islands.
Olney, MD Montgomery Co. United States	Wickham Rd. / Broom Dr. (39.15708, -77.09362)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Olney, MD Montgomery Co. United States	Martins Dairy Cir. / Gooseneck Terrace (39.13176, -77.07439)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Olney, MD Montgomery Co. United States	Fox Valley Dr. / Hillcroft Dr. (39.12441, -77.07962)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		No splitter islands.
Olney, MD Montgomery Co. United States	Brightwood Rd. / Winding Oak Dr. / Weston Pl. (39.16065, -77.09120)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Olney, MD Montgomery Co. United States	Wickham Rd. / Olney Mill Rd. / Dunsford Dr. (39.16071, -77.09596)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on three legs.
Olofström, Blekinge County Olofström Sweden	Rte 15 (Pukaviksvägen) / Idrottsvägen (56.26854, 14.52298)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2021	Used to be a T-intersection with one-way stop. Fourth arm added in 2020/2021.
Olofström, Blekinge County Olofström Sweden	Rte 116 / Petreforsgatan (56.27956, 14.52069)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2021
Olomouc, Olomouc Olomouc Czechia	II/448 (Studentská - Dobrovského) / II/446 (Na Střelnici) / Zámečnická (49.59742, 17.25250)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Olomouc, Olomouc Olomouc Czechia	II/635 (Lipenská) / Hamerská / U sušírny (49.58907, 17.31350)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Turbo roundabout.
Olomouc, Olomouc Olomouc Czechia	I/55 (Týnecká) / II/570 (Keplerova) / III/4359 (Týnecká) (49.57033, 17.30127)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Ølstykke, Capital Region Denmark	Sekundærrute 211 (Frederikssundsvej) / Frederiksborgvej (55.78467, 12.15191)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Ølstykke, Capital Region Denmark	Frederiksborgvej / Udlejrevej (55.78640, 12.15211)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Ølstykke, Capital Region Denmark	Frederiksborgvej / Ny Toftegårdsvej (55.79191, 12.15403)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Ølstykke, Capital Region Denmark	Ring Nord / Ny Toftegårdsvej (55.78735, 12.16912)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Olsztyn, Warmińsko-mazurskie Olsztyn Poland	S27 (Bałtycka - Grunwaldzka) / Aleja Roberta Schumana / Artyleryjska (53.77795, 20.46381)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Concentric striped circulatory roadway.
Olsztyn, Warmińsko-mazurskie Olsztyn Poland	Biskupa Tomasza Wilczyńskiego / Księdza Jerzego Popiełuszki / Księdza Jerzego Popiełuszki / Generała Józefa Hallera (53.73934, 20.47865)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Olympia, WA Thurston Co. United States	Yelm Hwy. SE / Meridian Rd. SE (46.98551, -122.74087)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://yelm-meridian-thurston.hub.arcgis.com/
Olympia, WA Thurston Co. United States	Eskridge Blvd. SE / Henderson Blvd. SE (47.02326, -122.87856)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2020	https://thejoltnews.com/stories/city-transportation-engineering-supervisor-explains-henderson-roundabout,267?
Olympia, WA Thurston Co. United States	Henderson Blvd. SE / Carlyon Ave. SE (47.01989, -122.87768)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2020	https://thejoltnews.com/stories/city-transportation-engineering-supervisor-explains-henderson-roundabout,267?
Olympia, WA Thurston Co. United States	Marvin Rd. SE / Lake Forest Dr. SE / Oakwood St. SE (47.01411, -122.75428)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019